From ca5a58908f98e0bec0e2345bb6cf1df686bc8037 Mon Sep 17 00:00:00 2001
From: Tj Holowaychuk <tj@vision-media.ca>
Date: Mon, 29 Nov 2010 11:18:29 -0800
Subject: [PATCH] Added CanvasRenderingContext2d#patternQuality accessor
 (non-standard)

---
 src/CanvasRenderingContext2d.cc | 35 +++++++++++++++++++++++++++++++++
 src/CanvasRenderingContext2d.h  |  2 ++
 2 files changed, 37 insertions(+)

diff --git a/src/CanvasRenderingContext2d.cc b/src/CanvasRenderingContext2d.cc
index 44ab5ff..80dd8d7 100644
--- a/src/CanvasRenderingContext2d.cc
+++ b/src/CanvasRenderingContext2d.cc
@@ -94,6 +94,7 @@ Context2d::Initialize(Handle<Object> target) {
   NODE_SET_PROTOTYPE_METHOD(constructor, "setStrokeColor", SetStrokeColor);
   NODE_SET_PROTOTYPE_METHOD(constructor, "setFillPattern", SetFillPattern);
   NODE_SET_PROTOTYPE_METHOD(constructor, "setStrokePattern", SetStrokePattern);
+  proto->SetAccessor(String::NewSymbol("patternQuality"), GetPatternQuality, SetPatternQuality);
   proto->SetAccessor(String::NewSymbol("globalCompositeOperation"), GetGlobalCompositeOperation, SetGlobalCompositeOperation);
   proto->SetAccessor(String::NewSymbol("globalAlpha"), GetGlobalAlpha, SetGlobalAlpha);
   proto->SetAccessor(String::NewSymbol("shadowColor"), GetShadowColor, SetShadowColor);
@@ -661,6 +662,40 @@ Context2d::GetGlobalCompositeOperation(Local<String> prop, const AccessorInfo &i
   }
 }
 
+/*
+ * Set pattern quality.
+ */
+
+void
+Context2d::SetPatternQuality(Local<String> prop, Local<Value> val, const AccessorInfo &info) {
+  Context2d *context = ObjectWrap::Unwrap<Context2d>(info.This());
+  String::AsciiValue quality(val->ToString());
+  if (0 == strcmp("fast", *quality)) {
+    context->state->patternQuality = CAIRO_FILTER_FAST;
+  } else if (0 == strcmp("good", *quality)) {
+    context->state->patternQuality = CAIRO_FILTER_GOOD;
+  } else if (0 == strcmp("best", *quality)) {
+    context->state->patternQuality = CAIRO_FILTER_BEST;
+  }
+}
+
+/*
+ * Get pattern quality.
+ */
+
+Handle<Value>
+Context2d::GetPatternQuality(Local<String> prop, const AccessorInfo &info) {
+  Context2d *context = ObjectWrap::Unwrap<Context2d>(info.This());
+  switch (context->state->patternQuality) {
+    case CAIRO_FILTER_FAST:
+      return String::New("fast");
+    case CAIRO_FILTER_BEST:
+      return String::New("best");
+    default:  
+      return String::New("good");
+  }
+}
+
 /*
  * Set global composite operation.
  */
diff --git a/src/CanvasRenderingContext2d.h b/src/CanvasRenderingContext2d.h
index 90b1e68..4bfc49c 100644
--- a/src/CanvasRenderingContext2d.h
+++ b/src/CanvasRenderingContext2d.h
@@ -78,6 +78,7 @@ class Context2d: public node::ObjectWrap {
     static Handle<Value> Rect(const Arguments &args);
     static Handle<Value> Arc(const Arguments &args);
     static Handle<Value> ArcTo(const Arguments &args);
+    static Handle<Value> GetPatternQuality(Local<String> prop, const AccessorInfo &info);
     static Handle<Value> GetGlobalCompositeOperation(Local<String> prop, const AccessorInfo &info);
     static Handle<Value> GetGlobalAlpha(Local<String> prop, const AccessorInfo &info);
     static Handle<Value> GetShadowColor(Local<String> prop, const AccessorInfo &info);
@@ -91,6 +92,7 @@ class Context2d: public node::ObjectWrap {
     static Handle<Value> GetShadowOffsetY(Local<String> prop, const AccessorInfo &info);
     static Handle<Value> GetShadowBlur(Local<String> prop, const AccessorInfo &info);
     static Handle<Value> GetAntiAlias(Local<String> prop, const AccessorInfo &info);
+    static void SetPatternQuality(Local<String> prop, Local<Value> val, const AccessorInfo &info);
     static void SetGlobalCompositeOperation(Local<String> prop, Local<Value> val, const AccessorInfo &info);
     static void SetGlobalAlpha(Local<String> prop, Local<Value> val, const AccessorInfo &info);
     static void SetShadowColor(Local<String> prop, Local<Value> val, const AccessorInfo &info);